Since 2011 Dr. Angelova has been working as an Assistant-Professor at Medical University-Varna. She gained a Certificate of Specialization of Pediatric Dentistry in 2015. In 2017 Angelova gained a postgraduate degree after accomplishment of an independent research on the topic of “Caries Risk Assessment and Prevention in Children Suffering from Some Renal Disorders”. In 2018 she gained an academic degree of Chief Assistant-Professor at the Medical University-Varna. In 2019 was issued the monograph entitled “Epigenetic and Genetic Aspects of Oral Health in Children with Pyelonephritis” authored by Sirma Angelova. She authored and co-authored more than 70 papers and participated in more than 50 scientific congresses.